Dispatched on a rescue mission to the farthest reaches of space, the USS Enterprise is ambushed by Krall, a ruthless enemy sworn against the Federation. Crash-landing on an uncharted hostile world, Captain Kirk, Spock, and the crew are separated with no means of escape. Only Jaylah, a rebellious alien warrior, can help them reunite and find a way off the planet in a race against time to stop Krall's deadly army from triggering all-out galactic war....

On the day of James Kirk's birth, his father dies on his ship in a last stand against a mysterious alien vessel. He was searching for Ambassador Spock, who is a child on Vulcan, disdained by his neighbors for his half-human nature. Twenty years later, Kirk has grown into a young troublemaker. He is inspired by Capt. Christopher Pike to fulfill his potential in Starfleet, even though he annoys his instructors. Suddenly, there is an emergency on Vulcan...